Swimming at Dewey Beach today
Dewey Beach, Delaware
Updated 4:00 AM EDT
What decides a swimming score
Before you swim
Swim near a staffed lifeguard tower, and check the National Weather Service surf-zone forecast for the official rip-current outlook — we report conditions, we don't forecast rip currents.
Dewey Beach is also scored for
About Dewey Beach
Dewey Beach sits on the Delaware coast, where the water runs from about 42°F in February to 75°F in July.
The water averages above 70°F in July, August and September — 3 months of the year — peaking around 75°F in July and dropping to about 42°F in February.
Today it is 66°F. That is 1° below the October average of 67°F here.
Tide predictions come from NOAA station Rehoboth Beach about 3.5 km away on the open coast.
Frequently asked questions
Is Dewey Beach good for swimming today?
Swimmable, with care — we score it 69 out of 100 today. The limiting factor is water temperature at 66°F.
What makes a good swimming day?
We weight water temperature (40%), surf calmness (25%), uv exposure (15%) and combine them into one score. Conditions we cannot read are left out rather than guessed.
When is the best time of year to swim at Dewey Beach?
The water averages above 70°F in July, August and September — 3 months of the year — peaking around 75°F in July and dropping to about 42°F in February.